How to Query from Google BigQuery and Azure SQL Database at the same time in Python

Google BigQuery and Azure Cloud are both powerful platforms to store data. Google BigQuery can process a couple TB of data within a couple minutes and you pay when you query, store and process. The detailed pricing is here.Azure SQL data base provides fast and convienient data for the first 32 GB/month at ~$5/month. The detailed pricing is here.Normally business intelligence analysts, database managers or data scientists access the two platforms from the two consoles separately.